#app {
    width: 50rem;
    height: 30rem;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: 4rem auto;
}

h1 {
    margin-left: 13rem;
    margin-bottom: 3rem;
}

.el-input {
    width: 25rem;

}

.el-button {
    margin-top: 3rem;
    width: 8rem;
    margin-left: 7rem;
}
